Fixed bug for empty array in get product

Algorithms.hpp

@@ -1,10 +1,10 @@
 //myClasses/Algorithms.hpp
 //Matthew Ellison
-// Created: 11-8-18
-//Modified: 1-30-19
+// Created: 11-08-18
+//Modified: 02-28-19
 //This file contains the declarations and implementations to several algoritms that I have found useful
 /*
-	Copyright (C) 2018  Matthew Ellison
+	Copyright (C) 2019  Matthew Ellison
 
 	This program is free software: you can redistribute it and/or modify
 	it under the terms of the GNU Lesser General Public License as published by
@@ -244,6 +244,12 @@ T getSum(const std::vector<T>& ary){
 //This is a function that returns the product of all elmements in a vector
 template <class T>
 T getProduct(const std::vector<T>& ary){
+	//Make sure there is something in the array
+	if(ary.size() == 0){
+		return 0;
+	}
+
+	//Multiply all elements in the array together
 	T prod = 1;
 	for(T cnt = 0;cnt < ary.size();++cnt){
 		prod *= ary.at(cnt);